| 碳-芳混杂纤维布加固木梁抗弯性能试验研究 |
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| 引用本文： | 淳庆,潘建伍,包兆鼎.碳-芳混杂纤维布加固木梁抗弯性能试验研究[J].东南大学学报(自然科学版),2011,41(1):168-173. |
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| 作者姓名： | 淳庆 潘建伍 包兆鼎 |
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| 作者单位： | 东南大学城市与建筑遗产保护教育部重点实验室;南京航空航天大学土木系;南京海拓复合材料有限责任公司; |
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| 基金项目： | 国家自然科学基金资助项目(51008059); 中国博士后科学基金资助项目(20090450072); 江苏省博士后科学基金资助项目(0901003c); 东南大学博士后重点科研资助项目 |
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| 摘 要： | 通过碳-芳混杂纤维布加固矩形木梁(杉木和松木)的抗弯性能试验,研究了不同层数的碳-芳混杂纤维布加固矩形木梁的破坏形式、抗弯承载力、荷载-挠度曲线和截面应变分布.试验结果表明:与未加固试件相比,木梁经碳-芳混杂纤维布加固后,其抗弯承载力和刚度有了一定程度的提高,抗弯承载力提高幅度在18.1%～62.0%(松木)和7.7%...
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| 关 键 词： | 混杂纤维 木梁 抗弯承载力 刚度 |
Experimental study on bending behavior of timber beams strengthened with CFRP/AFRP hybrid FRP sheet |
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| Chun Qing,Pan Jianwu,Bao Zhaoding.Experimental study on bending behavior of timber beams strengthened with CFRP/AFRP hybrid FRP sheet[J].Journal of Southeast University(Natural Science Edition),2011,41(1):168-173. |
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| Authors: | Chun Qing Pan Jianwu Bao Zhaoding |
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| Institution: | Chun Qing1 Pan Jianwu2 Bao Zhaoding3(1Key Laboratory of Urban and Architectural Heritage Conservation of Ministry of Education,Southeast University,Nanjing 210096,China)(2Civil Engineering Department,Nanjing University of Aeronautics and Astronautics,Nanjing 210016,China)(3Nanjing Hitech Composites Co.,Ltd.,Nanjing 211212,China) |
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| Abstract: | Based on the experiment of timber rectangle beams(made of deal and fir) strengthened with CFRP(carbon fiber reinforced polymer)/AFRP(aramid FRP) hybrid FRP(HFRP) sheet,the failure mode,bending bearing capacity,loading-deflection curve and strain distribution at mid-span section of timber beam with different number of reinforced sheet layer are analyzed.The results show that comparing with the specimens without being strengthened by HFRP,there is certain improvement in bending bearing capacity and stiffness ... |
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| Keywords: | HFRP(hybrid fiber reinforced polymer) timber beam bending bearing capacity stiffness |
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